Pith Number

pith:J5YXSQQM

pith:2018:J5YXSQQM36ME5TYG7XOMJBTEGO

not attested not anchored not stored refs pending

Randomisation Algorithms for Large Sparse Matrices

Andreas Henelius, Antti Ukkonen, Kai Puolam\"aki

arxiv:1811.05974 v1 · 2018-11-14 · cs.DS · physics.data-an · q-bio.QM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5YXSQQM36ME5TYG7XOMJBTEGO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:44:12.850414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f7179420cdf984ecf06fddcc4866433b471b503a805f2b156c455a9afd221fc

Aliases

arxiv: 1811.05974 · arxiv_version: 1811.05974v1 · doi: 10.48550/arxiv.1811.05974 · pith_short_12: J5YXSQQM36ME · pith_short_16: J5YXSQQM36ME5TYG · pith_short_8: J5YXSQQM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/J5YXSQQM36ME5TYG7XOMJBTEGO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4f7179420cdf984ecf06fddcc4866433b471b503a805f2b156c455a9afd221fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e084a2e0eea336667cb36dac06ad08bfe169e3f5673bba1bc0b50124e84003d7",
    "cross_cats_sorted": [
      "physics.data-an",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-11-14T09:05:11Z",
    "title_canon_sha256": "3f70a0d28bc6330ab1be2215cffb0efd1069f02c79303469ccb24e51012c1ec7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05974",
    "kind": "arxiv",
    "version": 1
  }
}